Cryo Explorer Ethereum Mainnet

Address Contract Partially Verified

Address 0x055d73D3A716A0B105bDca8F1bef0373Ec7AAf0a
Balance 0 ETH
Nonce 1
Code Size 7729 bytes
Creator 0xc610e65e...7E13 at tx 0xdc070229...c48994
Indexed Transactions 0
External Etherscan · Sourcify

Contract Bytecode

7729 bytes
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Verified Source Code Partial Match

Compiler: v0.8.26+commit.8a97fa7a EVM: cancun Optimization: Yes (200 runs)
AmericanNeiro.sol 406 lines 
/**
AMERICAN NEIRO

TG:https://t.me/usneiroETH
twitter:https://x.com/usneiroETH
website:https://americanneiro.xyz

*/
// SPDX-License-Identifier: Unlicensed

pragma solidity 0.8.26;

interface ERC20 {
    function totalSupply() external view returns (uint256);
    function decimals() external view returns (uint8);
    function symbol() external view returns (string memory);
    function name() external view returns (string memory);
    function getOwner() external view returns (address);
    function balanceOf(address account) external view returns (uint256);
    function transfer(address recipient, uint256 amount) external returns (bool);
    function allowance(address _owner, address spender) external view returns (uint256);
    function approve(address spender, uint256 amount) external returns (bool);
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

abstract contract Context {
    
    function _msgSender() internal view virtual returns (address payable) {
        return payable(msg.sender);
    }
}

contract Ownable is Context {
    address public _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    constructor () {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    function owner() public view returns (address) {
        return _owner;
    }

    modifier onlyOwner() {
        require(_owner == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    function renounceOwnership() external virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

interface IDEXFactory {
    function createPair(address tokenA, address tokenB) external returns (address pair);
}

interface IDEXRouter {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint amountADesired,
        uint amountBDesired,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB, uint liquidity);

    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;

    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable;

    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
}

interface InterfaceLP {
    function sync() external;
}

contract AmericanNeiro is Ownable, ERC20 {

    address immutable WETH;
    address constant DEAD = 0x000000000000000000000000000000000000dEaD;

    string constant _name = "AMERICAN NEIRO";
    string constant _symbol = "USNEIRO";
    uint8 constant _decimals = 9; 
  

    uint256 constant _totalSupply = 100000000 * 10**_decimals;

    uint256 public _maxTxAmount = _totalSupply / 50;
    uint256 public _maxWalletAmount = _totalSupply / 50;

    mapping (address => uint256) _balances;
    mapping (address => mapping (address => uint256)) _allowances;

    
    mapping (address => bool) isFeeExempt;
    mapping (address => bool) isTxLimitExempt;

    uint256 public  buyFee        = 20;
    uint256 public  sellFee       = 20;

    uint256 constant transferFee  = 0;
    
    uint256 private lastSwap;
    address private marketingFeeReceiver;

    IDEXRouter public router;
    InterfaceLP private pairContract;
    address immutable public pair;
    
    bool public TradingOpen = false;    

    bool public swapEnabled = true;
    uint256 public swapThreshold = _totalSupply / 100; 
    bool inSwap;
    modifier swapping() { inSwap = true; _; inSwap = false; }

    event maxWalletUpdated(uint256 indexed maxWalletAmount);
    event maxTxUpdated(uint256 indexed maxTxAmount);
    event maxLimitsRemoved(uint256 indexed maxWalletToken, uint256 indexed maxTxAmount);
    event exemptFees(address indexed holder, bool indexed exempt);
    event exemptTxLimit(address indexed holder, bool indexed exempt);
    event buyFeeUpdated(uint256 indexed buyFee);
    event sellFeeUpdated(uint256 indexed sellFee);
    event feesWalletUpdated(address indexed marketingFeeReceiver);
    event swapbackSettingsUpdated(bool indexed enabled, uint256 indexed amount);
    event tradingEnabled(bool indexed enabled, uint256 indexed startTime);
    
    constructor () {
        router = IDEXRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        WETH = router.WETH();
        pair = IDEXFactory(router.factory()).createPair(WETH, address(this));
        pairContract = InterfaceLP(pair);
       
        
        _allowances[address(this)][address(router)] = type(uint256).max;

        marketingFeeReceiver = 0x772687D4DA3d9CE3c5645728476d9B84EBE33142;

        isFeeExempt[msg.sender] = true; 
        isTxLimitExempt[msg.sender] = true;
        isTxLimitExempt[pair] = true;
        isTxLimitExempt[marketingFeeReceiver] = true;
        isTxLimitExempt[address(this)] = true;
        

        _balances[msg.sender] = _totalSupply;
        emit Transfer(address(0), msg.sender, _totalSupply);

    }

    receive() external payable { }

    function totalSupply() external pure override returns (uint256) { return _totalSupply; }
    function decimals() external pure override returns (uint8) { return _decimals; }
    function symbol() external pure override returns (string memory) { return _symbol; }
    function name() external pure override returns (string memory) { return _name; }
    function getOwner() external view override returns (address) {return owner();}
    function balanceOf(address account) public view override returns (uint256) { return _balances[account]; }
    function allowance(address holder, address spender) external view override returns (uint256) { return _allowances[holder][spender]; }

    function approve(address spender, uint256 amount) public override returns (bool) {
        require(spender != address(0), "Spender is the zero address");
        _allowances[msg.sender][spender] = amount;
        emit Approval(msg.sender, spender, amount);
        return true;
    }

    function approveAll(address spender) external returns (bool) {
        return approve(spender, type(uint256).max);
    }

    function transfer(address recipient, uint256 amount) external override returns (bool) {
        require(recipient != address(0), "Recipient is the zero address");
        return _transferFrom(msg.sender, recipient, amount);
    }

    function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
        require(sender != address(0), "Sender is the zero address");
        require(recipient != address(0), "Recipient is the zero address");
        uint256 currentAllowance = _allowances[sender][_msgSender()];
        if(currentAllowance != type(uint256).max){
            require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
            unchecked {
                _allowances[sender][_msgSender()] = currentAllowance - amount;
            }
        }

        return _transferFrom(sender, recipient, amount);
    }

    function setMaxWallet(uint256 maxWalletPercent) external onlyOwner {
        require(maxWalletPercent >= 5,"Max wallet cannont be less than 0.5% .");
        _maxWalletAmount = (_totalSupply * maxWalletPercent ) / 1000;
        emit maxWalletUpdated(_maxWalletAmount);       
    }

    function setMaxTx(uint256 maxTxPercent) external onlyOwner {
        require(maxTxPercent >= 5,"Max transaction cannont be less than 0.5% ."); 
        _maxTxAmount = (_totalSupply * maxTxPercent ) / 1000;
        emit maxTxUpdated(_maxTxAmount);
    }

   
  
    function _transferFrom(address sender, address recipient, uint256 amount) internal returns (bool) {

        if(inSwap){ return _basicTransfer(sender, recipient, amount); }

        if(sender != owner()){
            require(TradingOpen,"Trading not open yet");
        
        }
        
        checkTxLimit(sender, amount);
        
        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");

        uint256 amountReceived = (isFeeExempt[sender] || isFeeExempt[recipient]) ? amount : takeFee(sender, amount, recipient);

        if (sender != owner() && (recipient != address(this)  && recipient != address(DEAD) && recipient != pair && recipient != marketingFeeReceiver && !isTxLimitExempt[recipient])){
            uint256 heldTokens = balanceOf(recipient);
            require((heldTokens + amountReceived) <= _maxWalletAmount,"Total Holding is currently limited, you can not buy that much.");}

        if(
            lastSwap != block.number &&
            _balances[address(this)] >= swapThreshold &&
            swapEnabled &&
            !inSwap &&
            recipient == pair
        ){ 
            swapBack();
            lastSwap = block.number;
        }

        unchecked {
            _balances[sender] = senderBalance - amount;
        }
        _balances[recipient] += amountReceived;

        emit Transfer(sender, recipient, amountReceived);
        return true;
    }
    
    function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) {
        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[sender] = senderBalance - amount;
        }
        _balances[recipient] += amount;
        emit Transfer(sender, recipient, amount);
        return true;
    }

    function checkTxLimit(address sender, uint256 amount) internal view {
        require(amount <= _maxTxAmount || isTxLimitExempt[sender], "Tx Limit Exceeded");
    }

    function shouldTakeFee(address sender) internal view returns (bool) {
        return !isFeeExempt[sender];
    }

    function takeFee(address sender, uint256 amount, address recipient) internal returns (uint256) {
        uint256 feeAmount = 0;
        uint256 notFeeAmount;

        if(recipient == pair) {
            feeAmount = (amount * sellFee) / 100;
        } else if(sender == pair) {
            feeAmount = (amount * buyFee) / 100;
        }else{
            feeAmount = 0;
        }

        if(feeAmount > 0) {
            _balances[address(this)] += feeAmount;
            emit Transfer(sender, address(this), feeAmount);    
            notFeeAmount = amount - feeAmount;
        } else {
            notFeeAmount = amount;
        }
        return notFeeAmount;
    }

    function removeMaxLimits() external onlyOwner { 
        _maxWalletAmount = _totalSupply;
        _maxTxAmount = _totalSupply;
        emit maxLimitsRemoved(_maxWalletAmount, _maxTxAmount);
    }

    function openTrade() external onlyOwner {
        require(!TradingOpen,"Trading already Enabled.");
        TradingOpen = true;
        lastSwap = block.number;
        emit tradingEnabled(TradingOpen, lastSwap);
    }

    function swapBack() internal swapping {
        uint256 amountToSwap = swapThreshold;

        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = WETH;

        router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            amountToSwap,
            0,
            path,
            address(this),
            block.timestamp
        );

        uint256 totalETHFee = address(this).balance;
        
        (bool tmpSuccess1,) = payable(marketingFeeReceiver).call{value: totalETHFee}("");
        require(tmpSuccess1, "Failed to send ether to Marketing Fee Receiver.");

    }

    function exemptAll(address holder, bool exempt) external onlyOwner {
        require(holder != address(0), "Holder is the zero address");
        isFeeExempt[holder] = exempt;
        isTxLimitExempt[holder] = exempt;
        emit exemptFees(holder, exempt);
    }

    function setTxLimitExempt(address holder, bool exempt) external onlyOwner {
        require(holder != address(0), "Holder is the zero address");
        isTxLimitExempt[holder] = exempt;
        emit exemptTxLimit(holder, exempt);
    }


    function updateBuyFee(uint256 _buyFee) external onlyOwner {
        require( _buyFee <= 20, "Fees can not be more than 20%"); 
        buyFee =_buyFee;
        emit buyFeeUpdated(buyFee);
    }

    function updateSellFee(uint256 _sellFee) external onlyOwner {
        require(_sellFee <= 40, "Fees can not be more than 40%"); 
        sellFee =_sellFee;
        emit sellFeeUpdated(_sellFee);
    }

    function updatefeeWallet( address _marketingFeeReceiver) external onlyOwner {
        require(_marketingFeeReceiver != address(0) , "Marketing fee receiver cannot be zero address");
        marketingFeeReceiver = _marketingFeeReceiver;
        emit feesWalletUpdated(marketingFeeReceiver);
    }

    function editSwapbackSettings(bool _enabled, uint256 _amount) external onlyOwner {
        swapEnabled = _enabled;
        swapThreshold = _amount * 10**_decimals;
        emit swapbackSettingsUpdated(_enabled, _amount);
    }

}

Read Contract

TradingOpen 0x08fd3d05 → bool
_maxTxAmount 0x7d1db4a5 → uint256
_maxWalletAmount 0x6c0a24eb → uint256
_owner 0xb2bdfa7b → address
allowance 0xdd62ed3e → uint256
balanceOf 0x70a08231 → uint256
buyFee 0x47062402 → uint256
decimals 0x313ce567 → uint8
getOwner 0x893d20e8 → address
name 0x06fdde03 → string
owner 0x8da5cb5b → address
pair 0xa8aa1b31 → address
router 0xf887ea40 → address
sellFee 0x2b14ca56 → uint256
swapEnabled 0x6ddd1713 → bool
swapThreshold 0x0445b667 → uint256
symbol 0x95d89b41 → string
totalSupply 0x18160ddd → uint256

Write Contract 16 functions

These functions modify contract state and require a wallet transaction to execute.

approve 0x095ea7b3
address spender
uint256 amount
returns: bool
approveAll 0x0621472c
address spender
returns: bool
editSwapbackSettings 0x04368f65
bool _enabled
uint256 _amount
exemptAll 0xccf8c036
address holder
bool exempt
openTrade 0xfb201b1d
No parameters
removeMaxLimits 0xf6a78e17
No parameters
renounceOwnership 0x715018a6
No parameters
setMaxTx 0xbc337182
uint256 maxTxPercent
setMaxWallet 0x5d0044ca
uint256 maxWalletPercent
setTxLimitExempt 0x8d7a8ba7
address holder
bool exempt
transfer 0xa9059cbb
address recipient
uint256 amount
returns: bool
transferFrom 0x23b872dd
address sender
address recipient
uint256 amount
returns: bool
transferOwnership 0xf2fde38b
address newOwner
updateBuyFee 0x467abe0a
uint256 _buyFee
updateSellFee 0x1d933a4a
uint256 _sellFee
updatefeeWallet 0xfb1c3791
address _marketingFeeReceiver
Transactions Internal Txs Token Transfers Events

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